Feeler mechanism for looms



Uct. 16 1923.

C.' D. BROWN FEELER MEGHANISM FOR LooMs Filed May 22, 1.922 2 Sheeos--Sheerl l l ATTORNEY Oct. 16 1923. 1,471,305

- c. D. BROWN FEELER MECHANISM FOR Looms Filed May 22. 1922 2 sheets-sheet 2 E INVENTOR n BYM 00- 9'@ "w y 4 ATTORNEY Patented @et l5,- 192..

CARL D. BROWN, lF HOPEDALE, MASSACHUSETTS, ASSIGNOR T0 DRAPEE CORPORA- TION, OF HOPEDALE, MASSACHUSETTS, A CORPQRTION 0F' MAINE.

FEELER M ECHANISM FOR IOOMS.

Application led May 22, 1922. .Serial No. 562,681.

vTio alt whom it may cof/wem:

Be it known that I, CARL D. BROWN, a cltizen of the United States, and'a resident of Hopedale, in the county of Worcester and i l in connection with the accompanying drawings, is a specification, like 4characters on the drawings representing like parts. v

' This invention relates to feeler mechanisms for looms.

The repeated contact of the engaging end of the feeler with the filling on detecting beats is liable to cause injury to the filling especially where the' filling is of a high count or fine character. One of the causes contributing to this objectionable eect upon .partlcularly the construction and mounting the lilling is that the lay' and consequently the shuttle box, shuttle andflling carrier move in the arc of a circle'about the lay rock shaft as a center as the lay beats up, whereas, the feeler as now generally constructed is mounted for movement towards and Afrom the front of the loom in a dierent path. Usually the feeler is mounted to move toy wards and from the front of the loom in a lstraight path or at least in a horizontal plane vso that inasmuch as the frontward movement of the eeler is eected by frontward pressure of the surface within ,the

shuttle which is moving in a curvilinear` path, there is a constant rubbin friction or cutting action of the filling taklng place on each detectingbeat.

One of the important features of the present invention is .to provide a feeler mechanism wherein the feeler shallhave a com# pensating tip constructed and arranged so that notwithstandin the feeler moves in a substantially straig `t path and the filling carrier and the shuttle move in a curvilinear path, the lling will lbe preserved from cuttu? action or injury by the feeler tip.

the present. invention the feeler mechanism is of' the side swi e type and the feelertip is constructed an arranged to hold the feeler from partaking'ofits side swipe movement b engagement with a working supply of fi ling, and b such engagement also. to compensate fort e dierence in the path movement of the feeler and lling carmer.

The novel :Eeatures'and new combination of parte will best be made clear from the showing the fee following description and accompanying drawings which show* one good 4practical form of the invention.

In the drawings:

Fig. 1 is 'a lan view partly in section er mechamsm ofthe present invention and its action when onaJ detecting beat a working supply of filling is present in the shuttle; Y

Fig. 2;.is a view similar to that -of Fig. 1 but showing the action of parts when. the filling isv substantially exhausted on a detecting beat; Fig. 3 is an enlarged section fore and aft of the loom, showing more particularly the different paths of movement of the filling carrier andthe feeler as the lay` beats up;

F 1g. 4 is an enlarged detail showing more of the feeler tip; and

The feeler stand, as indicated in Figs. 1 t

and 2, is of appropriate character for supporting the feelerand its connected parts and consists of a base portion 1 surmounted by a cap 2 secured to it by screws 3. The feeler stand may be provided with a Han e portion 4.-, Fig. l, having a slot 5 b whic the feeler stand may be secured to t e loom frame through the screws 6.,

The base portion 1 of the feeler stand is hallowed out as indicated at 7 to form a chamber for the deflection of the spring 8 the front end portion of which is connected tov a stationary or swivel' block 9 and the rear end 10 to the rontwardly extending portion of the feeler 11. The ends of the spring 8 may be connected to the swivel'block 9 and to the frontward extension 10 of the eeler by Aseatflthe spring 8 be secured, one to the swivel` block 9 and the other te the feelei. Between ortion of which is connected at the eeler and swivel block 9 the base portion 1 has an inwardly extending lug 13 against which the spring 8 normally bears when it is in its ent/ended or straightened position.

The teeler stand has a rear bearing provided with a guideway for a slide 14n and the slide 14k has a slotted portion 15 through which the feeler 11 extends. The slide 1.5 is connected to a transmitter 16 which forms part of a train of mechanism for ed'ecting replenisent of tilling when the eeler calls the change. 'lhe slide 14k may be conveniently held inV its guideway by the cap piece 2.

The lay 17 is provided with the usual shulotle box having an opening 18 in its front wa l The shuttle 19 is provided with the usual bobbin holding jaws 20 for supporting the bobbin 21 on which the illing 22 is wound, and the iront wall of the shuttle 4has an opening 23, the construction being such that the teeler 11 mayenter the shuttle through the openings to feel for filling.

The lay 17 is carried by the usual lay swords 2d which extend downwardly to the lay roch shaft as usual and it is given its bea-t up movement by the usual pitman connection to the driving or crank shaft, thus the 'lay and pertorce the shuttle box, the shuttle and the filling carrier within the shuttle move towards and from the iront of the loom in the arc of a circle` the center of which is the lay rock shaft. This condition is indicated in Fig. 3 wherein the dotted position o represents the tilling c arrier when the lay is in its rearward or back position. l) represents the lling carrier when the lay is moved trontwardly to cause the iilling in the shuttle to be engaged by the ieeler, and the ull lines, lFig. 3,- represent the rontmost position ot the lay and the lling carrier.

Still referring to lFig. 3it will be noted that the feeler 11 is mounted tor movement towards and trom the front ot the loom in a horizontal plane, whereas, as above indicated, the lay and its connected parts move towards and from the front ot the loom in a vertical arc. Thus, in the absence of means to prevent, the lling in the 'shuttle will be subjected to a rubbing and cutting action 4due to the difference in the paths ot movement ot the lling and the engaging portion et the eeler as the lay moves irontwardly. This rubbing or cutting action upon the tilling is graphically represented in Fig. 3 where it will be noted that the z.; carrier, -represented by the dotted lines b gradually rises as it moves trontwardly in contact 'with the teeler, whereas the eeler itself moves in a straight pathV hrontwardly, consequently 'there is a relative movement between the ing and the engaging end ot the teeler in a verti direction tending to cut or injure the lling Larnaca The teeler in the present invention is rovided with a compensating teeler tip w ich compensates tor the did'erence in the path of movement ot vthe filling carrier and leeler on each detecting beat. ln the present instance, the teeler 11 has'its end portion bil1 urcated as at 25, and between the bifurcated portions 25 is rotatively supported the eeler tip 26. The tip 26 .is rotatively supported upon the pin 27 secured in the bifurcated ends 25 ot the teeler and passing through the teeler tip. Theteeler tip has circumferentially extending toothed por tionsl 28 which alternate with the depressed portions 29 so that the teeler tip. when engaged with the lling may be turned b the .illing relative to the teeler as the lay' eats tween the ends, ot greater diameter than the end portions, asindicated more clearly in Fig. ll.

l/Vhen a working supply oi filling is present in the shuttle on a detecting beat, Fig. 1, the compensating tip 26 of the ieeler engages and sinks into the tilling and as the lay beats up ,its changing path of movement causes the compensating tip to move or rotate in a vertical plane relative to the teeler and with the avoidance ot the rubbing or cutting action against the iilling. Since the teeler is not tree to be vmoved longitudinally along the shuttle under the vconditions noted, the spring 8 will be buckled or dedected, as indicated in lig. 1, as the :teeler is pushed trontwardly, but such action ot the spring will have no ed'ect in moving the feeler longitudinally of 'the shuttle.

llhen however the lling is substantially exhausted on Aa detecting beat the buckling action of the spring 8 as the teeler is moved irontwardly will' cause the teeler to he moved in a direction longitudinally in va direction of the shuttle, as indicated in Fig. 2,' because at such time there is not suilicient tilling in the shuttle to ren strain the feeler trom such movement, and tllingreplenishment will he called through the train oir mechanism described.

What is claimed is:

1. ln a feeler mechanism tor looms, the combination of the lay and shuttle-box mounted for movement toward and trom the iront of the loom in a vertically curved path, a teeler mounted for movement toward and from the iront ot the loom in e horizontal ath, and a compensating ieeler tip mount d on the ieeeler for movement relative thereto in a vertical plane bythe lling as the lay moves irontward in'its curved path on adetecting beat to prevent injury to the lilling and compensate' tor the the ieeler and tilting..

lll@

2. In a feeler mechanism for looms, the combination of the lay and shuttle-box l mounted for movement toward and from the vfeeler and lay.

3. In a feeler mechanism for looms, the

combination of the lay and feeler mounted for movement toward the front of the loom in different paths on a detecting beat, and a compensating feeler tip mounted on the feeler and moved relatively thereto by the frontward pressure of the filling due to the different paths of movement of the lay and feeler as they move frontwardly on detecting beats. A 4. In a feeler mechanism for looms, the combination of the lay and feeler mounted for movement toward and from the front of the loom in different paths, and a feeler tip mounted for movement frelative to the feeler and in the vertical plane of the lay movement by the frontward pressure of the fillingvon a detecting beat to avoid injury to the filling due to the different paths of movement of the feeler and lay.

5. In a feeler mechanism for looms, the' combination of a feeler mounted for movement toward the front of the locm by frontward preurer of the filling on a d'etecting beat, and a rolling tip mounted on the feeler and rolling circumferentially about lthe fillingl as the lay beats up.

6. In a feeler mechanism for looms, the combination of a feeler mounted for movement toward and from the front of the 100m, yielding means normally acting to hold the feeler in its rearward feeling position, and. a rolling tip mounted on the feeler to roll circumferentially over the filling dueto the difference in paths of movement ofthe feeler and filling as the lay beats up.l

7. In a eeler mechanism for looms, a feeler mounted at the front of the loom` and havingl a filling engaging tip mounted forl rotative movement on the feeler in a plane at right angles to the axis of the Woundmass of filling engaged by it.

8. In a feeler mechanism for looms, the' combination of a feeler mounted for movement toward and from the front of the loom, a roller mounted on the feeler for rotative movement relative thereto at right angles to the axis of the filling carrier in the shuttle on a detecting beat.

9. vIn a feeler mechanism for looms, a feeler having a filling engaging tip mounted for rotative movement in a plane at ri ht angles to the longitudinal axis of the bob in in the shuttle, and provided with circumferentially extending projecting portions constituting filling engaging teeth.

In testimony whereof, I have signed my name to this specification.

CARL D. BROWN. 

